Lancer Evolution L4-2.0L Turbo (4B11T/C) (2010)
connector. Repair the wiring harness as necessary.
STEP 9. Retest the system
Check whether you can operate the radio and CD player by using the steering remote control.
Q: Is the check result normal?
YES : The trouble can be an intermittent malfunction.
NO : Replace the radio and CD player.
Inspection Procedure 2
INSPECTION PROCEDURE 2: Steering Wheel Audio Remote Control Switch Does Not Function. [Vehicles With MMCS]
CAUTION: Before replacing the ECU, ensure that the power supply circuit, the ground circuit and the communication circuit are normal.